#! /bin/sh
# PCP QA Test No. 272
# pmcd access control tests (used to be the second half of 051)
#
# Copyright (c) 1995-2002 Silicon Graphics, Inc.  All Rights Reserved.
#

seq=`basename $0`
echo "QA output created by $seq"

# get standard environment, filters and checks
. ./common.product
. ./common.filter
. ./common.check

# preliminary check
#
./getpmcdhosts -n 2 -L -a sample -v 'pcp>=2' -s IRIX64 >$tmp.tmp 2>&1
if [ $? -ne 0 ]; then
    _notrun "`cat $tmp.tmp`"
    # NOTREACHED
fi
rm -f $seq.tmp

rsignal=pmsignal
status=1	# failure is the default!

# pmcd may be quite some distance away
#
PMCD_CONNECT_TIMEOUT=30
PMCD_REQUEST_TIMEOUT=30

NETSTAT=netstat

export PMCD_CONNECT_TIMEOUT PMCD_REQUEST_TIMEOUT NETSTAT

# real QA test starts here

config=$PCP_PMCDCONF_PATH
oconfig=$tmp.config

# get FQDN
#
host=`hostname`
me=`_host_to_fqdn $host`
if [ -z "$me" ]
then
    echo "Cannot get fully qualified domain name for $host"
    exit
fi

_needclean=true

# _wait_for_pmcd_from_remote remote-host [max-wait]
#
_wait_for_pmcd_from_remote()
{
    # 20 seconds default seems like a reasonble max time to get going
    can_wait=${2-20}
    i=0
    dead=true
    while [ $i -lt $can_wait ]
    do
	clients=`ssh $1 -q -n -l pcpqa "sh -c 'PMCD_PORT=$port pmprobe -h $me pmcd.numclients'" 2>/dev/null | sed -e 's/.* //'`
	if [ $i -eq 0 ]
	then
	    echo >>$seq.full
	    echo "+ ssh $1 -q -n -l pcpqa \"sh -c 'PMCD_PORT=$port pmprobe -h $me pmcd.numclients'\"" >>$seq.full
	    ssh $1 -q -n -l pcpqa "sh -c 'PMCD_PORT=$port pmprobe -h $me pmcd.numclients'" >>$seq.full 2>&1
	    echo "clients=\"$clients\"" >>$seq.full
	fi
	if [ ! -z "$clients" ]
	then
	    if [ "$clients" -gt 0 ]
	    then
		dead=false
		break
	    fi
	fi
	sleep 1
	i=`expr $i + 1`
    done
    if $dead
    then
	echo "Arrgghhh ... pmcd failed to start after $can_wait seconds"
	ssh $1 -q -n -l pcpqa cat $PCP_PMCDLOG_PATH
	ps $PCP_PS_ALL_FLAGS
	status=2
	exit $status
    fi
}

cleanup()
{
    if $_needclean
    then
	unset PMCD_PORT
	[ -f $oconfig ] && $sudo cp $oconfig $config
	# _change_config pmlogger on
	_service pcp restart 2>&1 | _filter_pcp_start
	_wait_for_pmcd
	_wait_for_pmlogger
        _needclean=false
    fi
    $sudo rm -f $tmp.*
}

trap "cleanup; exit \$status" 0 1 2 3 15

rm -f $seq.full
touch $seq.full

# real QA test starts here
port=`_get_port tcp 6060 6070`
if [ -z "$port" ]
then
    echo "Arrggh ... no free TCP port in the range 6060 ... 6070"
    $NETSTAT -a
    exit 1
fi
echo "port=$port" >>$seq.full

# _change_config pmlogger off
_service pcp stop | _filter_pcp_stop

$sudo cp $config $oconfig

other1=bogus
other2=bogus

eval `./getpmcdhosts -n 2 -L -a sample -v 'pcp>=2' -s IRIX64 2>/dev/null \
      | $PCP_AWK_PROG '{ if (NF >= 2) printf("other1=%s other2=%s\n",$1,$2); }'`

if [ "X$other1" = Xbogus -o "X$other2" = Xbogus ]
then
    echo "Error: Unable to find two hosts configured with the sample PMDA"
    echo "+ ./getpmcdhosts -D -n 2 -L -a sample -v 'pcp>=2' -s IRIX64 "
    ./getpmcdhosts -D -n 2 -L -a sample -v 'pcp>=2' -s IRIX64
    echo "Desperate: check all hosts in qa_hosts ..."
    cat $tmp.hosts \
    | while read host
    do
	echo "=== $host ==="
	pminfo -b 1 -f -h $host pmcd.numagents pmcd.agent.status sample.seconds
    done
    exit 1
fi

list1=`_all_hostnames $other1`
if [ -z "$list1" ]
then
    echo "Arrgh ... failed to expand other1=\"$other1\" to all hostnames"
    echo "netstat reports ..."
    ssh -q </dev/null $other1 -n -l pcpqa $NETSTAT -in
    exit
fi
list2=`_all_hostnames $other2`
if [ -z "$list2" ]
then
    echo "Arrgh ... failed to expand other2=\"$other2\" to all hostnames"
    echo "netstat reports ..."
    ssh -q </dev/null $other2 -n -l pcpqa $NETSTAT -in
    exit
fi
echo "other1=$other1 list1=$list1" >>$seq.full
echo "other2=$other2 list2=$list2" >>$seq.full

cat >$tmp.access <<End-Of-File

[access]
allow $list1 :	   all;
disallow $list2 : all except fetch;
allow $list2 :	   maximum 1 connections;
End-Of-File

$sudo "sed -e '/\[access]/q' $oconfig | sed -e '/\[access]/d' >$config"
$sudo "cat $tmp.access >>$config"

echo >>$seq.full
echo "=== First pmcd.conf ===" >>$seq.full
cat $config >>$seq.full

# don'use the regular port ...
#
PMCD_PORT=$port
export PMCD_PORT

_service pcp restart 2>&1 | _filter_pcp_start
_wait_for_pmcd
_wait_for_pmlogger

#DEBUG# pmstore pmcd.control.traceconn 1
#DEBUG# pmstore pmcd.control.tracepdu 1
#DEBUG# pmstore pmcd.control.tracenobuf 1
#DEBUG# pmstore pmcd.control.debug 1

echo "    checking default access for this host ..."
pminfo -f sample.long.million
pmstore sample.write_me 111

echo
echo "    checking access for OTHERHOST1 (both should succeed)"
ssh -q $other1 -n -l pcpqa "sh -c 'PMCD_PORT=$port pminfo -h $me -f sample.long.million'"
ssh -q $other1 -n -l pcpqa "sh -c 'PMCD_PORT=$port pmstore -h $me sample.write_me 222'"

echo
echo "    checking access for OTHERHOST2 (store should fail)"
ssh -q $other2 -n -l pcpqa "sh -c 'PMCD_PORT=$port pminfo -h $me -f sample.long.hundred'"
ssh -q $other2 -n -l pcpqa "sh -c 'PMCD_PORT=$port pmstore -h $me sample.write_me 333'"

echo
echo "    checking connection limit for OTHERHOST2 (will exceed connection limit)"
ssh -q $other2 -n -l pcpqa "sh -c 'PMCD_PORT=$port pmval -h $me -t 666 sample.long.ten'" >/dev/null 2>&1 &
# guess at delay
#
sleep `expr $PMCD_CONNECT_TIMEOUT / 2`
# note on sed ... some systems appear to be able to deliver the socket
# reset by peer state ahead of completing the read() on the receiver side,
# so we never get the PCP error PDU ... there has been extensive analysis
# of this for pmcd on a Linux host and $other2 being an IRIX host, and it
# is _not_ a PCP protocol failure.
#
ssh -q $other2 -n -l pcpqa "sh -c 'PMCD_PORT=$port pminfo -h $me -f sample.long.one'" 2>&1 \
| sed \
    -e 's/".*"/"OTHERHOST2"/' \
    -e 's/IPC protocol failure/PMCD connection limit for this host exceeded/'
#DEBUG# echo "Trying connection limit pminfo again ..." >>$seq.full
#DEBUG# ssh -q $other2 -n -l pcpqa "sh -c 'PMCD_PORT=$port par -s -SS pminfo -Dall -h $me -f sample.long.one'" >>$seq.full 2>&1
ssh -q $other2 -n -l pcpqa $rsignal -a pmval > /dev/null 2>&1

echo "pmcd.log:======="
sed -n <$PCP_PMCDLOG_PATH -e '/endclient/{
s/\[[0-9]*]/[M]/
s/(fd [0-9]*)/(fd N)/
p
}'
echo "================"

echo "pmcd.log ..." >>$seq.full
cat $PCP_PMCDLOG_PATH >>$seq.full

iplist1=`_all_ipaddrs $other1`
if [ -z "$iplist1" ]
then
    echo "QA Error: cannot generate all ip addrs from \"$other1\""
    status=3
    exit
fi
iplist2=`_all_ipaddrs $other2`
if [ -z "$iplist2" ]
then
    echo "QA Error: cannot generate all ip addrs from \"$other2\""
    status=3
    exit
fi
iplist3=`_all_ipaddrs localhost`
if [ -z "$iplist3" ]
then
    echo "QA Error: cannot generate all ip addrs from localhost"
    status=3
    exit
fi
echo "other1=$other1 iplist1=$iplist1" >>$seq.full
echo "other2=$other2 iplist2=$iplist2" >>$seq.full
echo "localhost iplist3=$iplist3" >>$seq.full

netlist2=`echo $iplist2,$iplist3 | sed -e 's/$/,/' -e 's/[0-9][0-9]*\.[0-9][0-9]*,/*,/g' -e 's/,$//'`

cat >$tmp.access <<End-Of-File

[access]
allow $iplist1 :    all;
disallow $netlist2 : all except fetch;
disallow * :	     all;
End-Of-File

$sudo "sed -e '/\[access]/q' $oconfig | sed -e '/\[access]/d' >$config"
$sudo "cat $tmp.access >>$config"

echo >>$seq.full
echo "=== Second pmcd.conf ===" >>$seq.full
cat $config >>$seq.full

_service pcp restart 2>&1 | _filter_pcp_start
_wait_for_pmcd_from_remote $other1
_wait_for_pmlogger
ssh -q $other1 -n -l pcpqa "sh -c 'PMCD_PORT=$port pmstore -h $me pmcd.control.debug 4096'"

echo "    checking default access for this host (store should fail) ..."

pminfo -f sample.long.million
pmstore sample.write_me 444

echo
echo "    checking access for OTHERHOST1 (both should succeed)"
ssh -q $other1 -n -l pcpqa "sh -c 'PMCD_PORT=$port pminfo -h $me -f sample.long.million'"
ssh -q $other1 -n -l pcpqa "sh -c 'PMCD_PORT=$port pmstore -h $me sample.write_me 555'"

echo
echo "    checking access for OTHERHOST2 (store should fail)"
ssh -q $other2 -n -l pcpqa "sh -c 'PMCD_PORT=$port pminfo -h $me -f sample.long.hundred'"
ssh -q $other2 -n -l pcpqa "sh -c 'PMCD_PORT=$port pmstore -h $me sample.write_me 666'"

echo
echo "    checking default access for explicit/localhost (both should fail)"
pmstore -h localhost sample.write_me 21
pmstore -h $me sample.write_me 42

echo "pmcd.log:======="
sed -n <$PCP_PMCDLOG_PATH \
    -e '/endclient/{
s/\[[0-9]*]/[M]/
s/(fd [0-9]*)/(fd N)/
p
}' \
    -e "/Warning:/s/PMCD_PORT=$port/PMCD_PORT=\$port/" \
# end
echo "================"

echo "pmcd.log ..." >>$seq.full
cat $PCP_PMCDLOG_PATH >>$seq.full

# success, all done
status=0
exit
